20144619

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 40

約数和(自身を含む): 34290432

約数和(自身を除く): 14145813

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 891, 983, 1863, 2277, 2949, 6831, 8847, 10813, 20493, 22609, 26541, 32439, 67827, 79623, 97317, 203481, 248699, 291951, 610443, 746097, 875853, 1831329, 2238291, 6714873, 20144619]

約数ペア:

[(1, 20144619), (3, 6714873), (9, 2238291), (11, 1831329), (23, 875853), (27, 746097), (33, 610443), (69, 291951), (81, 248699), (99, 203481), (207, 97317), (253, 79623), (297, 67827), (621, 32439), (759, 26541), (891, 22609), (983, 20493), (1863, 10813), (2277, 8847), (2949, 6831)]